BS EN 12259-12:2023

Fixed firefighting systems. Components for sprinkler and water spray systems. Pumps | Status: Current, Under review

1 Scope This document specifies requirements for single stage and multi-stage centrifugal pumps with mechanical seal or soft packing for use in automatic sprinkler systems and is for use with EN 12845 and EN 17451 1 . This document is applicable for the following pumps, independent of installed orientation (vertical, horizontal or sloped according to the manufacturer indications):

• — end suction pumps (close coupled or long coupled) of the back pull-out type pump;
• — axial horizontal split case pumps;
• — ring section pumps including multistage single or multi outlet;
• — single or multistage inline pumps (pump with inlet and outlet in line);
• — submersible motor borehole pumps.
• This document is also applicable to vertical turbine pumps.